Phathom Pharmaceuticals (PHAT) Interest Expenses (2018 - 2026)

Phathom Pharmaceuticals' (PHAT) quarterly Interest Expenses came in at $34.2 million in Q1 2026, up 89.42% year-on-year from $18.1 million in Q1 2025, and up 108.48% on a QoQ basis from $16.4 million in Q4 2025.

Phathom Pharmaceuticals (PHAT) Interest Expenses (2018 - 2026) Analysis & Trends

Phathom Pharmaceuticals (PHAT) has 9 years of Interest Expenses data on file, last reported at $34.2 million in Q1 2026.

  • On a quarterly basis, Interest Expenses rose 89.42% year-over-year to $34.2 million in Q1 2026; TTM through Mar 2026 was $34.2 million, a 52.19% decrease from a year earlier, with the FY2025 full-year figure at $80.5 million, down 68.47% from the prior year.
  • Interest Expenses for Q1 2026 stood at $34.2 million, up from $16.4 million in the prior quarter.
  • Over the last five years, Interest Expenses for PHAT reached as high as $51.6 million in Q3 2024 and fell as low as $2.8 million in Q1 2022.
  • Historically, Interest Expenses has averaged $19.4 million across 5 years, with a median of $17.2 million in 2024.
  • Across the five-year window, Interest Expenses plunged 83.62% in 2022 and soared 788.05% in 2023, its largest moves.
  • Year by year, Interest Expenses stood at $3.8 million in 2022, then soared by 788.05% to $33.7 million in 2023, then tumbled by 44.9% to $18.6 million in 2024, then declined by 11.69% to $16.4 million in 2025, then soared by 108.48% to $34.2 million in 2026.
  • Per Business Quant data, the three most recent Interest Expenses figures were $34.2 million in Q1 2026, $16.4 million in Q4 2025, and $41.4 million in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Int Expense (Qtr)
1 Oculis Holding AG 67,072.09 Bn 67,072.09 Bn - -42,141.15
2 Nanobiotix 1,894.61 Bn 1,894.55 Bn - -
3 Akari Therapeutics 1,014.18 Bn 1,014.18 Bn - 100,000.00
4 BeOne Medicines 471.64 Bn 466.85 Bn 1.35 Bn 32.89 Mn
5 Vertex Pharmaceuticals 121.72 Bn 114.47 Bn 2.59 Bn 420.30 Mn
6 Regeneron Pharmaceuticals 68.28 Bn 59.52 Bn 3.31 Bn 28.30 Mn
7 Belite Bio 61.40 Bn 61.40 Bn - -
8 Argenx Se 56.94 Bn 56.94 Bn 1.18 Bn -
9 Revolution Medicines 37.37 Bn 37.37 Bn - 1.17 Bn
10 Phathom Pharmaceuticals 945.22 Mn 761.46 Mn 46.31 Mn 34.23 Mn

Historic Data

Download Data
DateValue
Mar 31, 2026 34.23 Mn
Mar 31, 2026 34.23 Mn
Dec 31, 2025 16.42 Mn
Dec 31, 2025 16.42 Mn
Sep 30, 2025 41.35 Mn
Sep 30, 2025 41.35 Mn
Jun 30, 2025 25.28 Mn
Jun 30, 2025 25.28 Mn
Mar 31, 2025 18.07 Mn
Mar 31, 2025 18.07 Mn
Dec 31, 2024 18.59 Mn
Dec 31, 2024 18.59 Mn
Sep 30, 2024 51.61 Mn
Sep 30, 2024 51.61 Mn
Jun 30, 2024 17.76 Mn
Jun 30, 2024 17.76 Mn
Mar 31, 2024 17.17 Mn
Mar 31, 2024 17.17 Mn
Dec 31, 2023 33.75 Mn
Dec 31, 2023 33.75 Mn